Wagon-brake



E. B. HARRIS.

WAGON BRAKE.

APPLICATION FILED JUNE 23. 1919.

1,342,381, PatentedJune 1,1920.

@im i591' 3@ wwnboz o 9 attmmm EDWARD BfHARRIs, OFYHILLsBoRo, OREGON.

WAGON-BRAKE.

' i Application led June 23,

To all whom t may concern.' 1

Be it knownthat I, EDWARD B. I IAnRIs, a citizen of the United States, residing at Hillsboro, in the county of Washington and State of Oregon, have invented new and uses. ful Improvements in lVagon.- Brakes,4 of which the following isa specification.

This -invention relates to wagon brakes and comprehends the provision VVof means whereby the momentum of the wagon is utilized to apply the brakes. A The nature and advantages of the 1nven tion will be better understood when the following detailed description is taken 1n confnection with the accompanying drawing the invention residing in the construction, com4 bination and varrangement of parts as claimed.

In the drawings forming part of this specification, like numerals of lreference-1ndicate similar parts in the several vlewsand wherein F igure'l is a plan view of the brake mechanism, partly in section, showing the normal position of parts. t

Fig. 2 is a sectional view taken on lme 2 2 of Fig. 1, showing a wagon body partly in section.

Fig.' 8 is a detail sectional view of one of the clutches.

l Fig. 4 is a view in elevation of one of the clutch members.

Referring more particularly to the drawing in detail, 10 indicates the reach bar, at one end of which the axle supporting hound is indicated at 11. The wheels 12 are associated with the axle 13 in the usual manner, while the brake beam is suspended from the bottom of the wagon body by means of the links 16.

In carrying out my invention, I provide a clutch mechanism7 the relatively fixed members 17 of which are secured to the hub 18 of the wheels for rotation therewith. If desired, these members may be made in two sections and bolted or otherwise suitably secured together as at 19. The relatively movable members 17 are arranged to slide upon the axle 13, and if desired these members may be also made in sections to facilitate their association with the axle. 'The clutch may be made of any suitable construction, that is to say the cooperating members 17 and 17 respectively may be provided with teeth,'or it may be of the cone type as shown. The members 17 are arranged Specification of Letters Patent. Patented June 1,1920,

1919. serial No. 305,950. l

T @me to slide upon the sleeves` or casting 20 i latter providea'smooth bearingsurface as f will be readily understood.V It might be here stated that the sleeves or castings 2O may be of any suitable cross sectional configuration to accommodate axles of diferent tractors.

' Any suitable means may be employed lfor i throwing the clutch mechanism into yoperation for `the purpose` to behereinafter described, but as shown inthis specific in-A stance a lever 21 is extended transversely across the hound 11 and has one end pivoted thereto'as indicated at 22. Theseries of pivotally connected links-provide `an oper-` ative connection between the lever 21 and each of the members 17 of the clutch mechanism and these respective series are indicatedat 23 and 24. The two adjacent links of thefrespective series are provided with slots 25 for the reception of a pin26 carried by the lever 211, this slot and pin connection providingifor the proper connection of each series of links when the lever 21 is moved under the influence of the spring 27 to throw the clutch mechanism into operation. A rod 28 extends from the lever 21 to the hand actuated lever 29 adjacent the drivers seat,

the lever 29 carrying a pawl 30` coperating with a rack bar 31 for holding the lever 29 brakes 34 to the' wheels 12. Y

In practice, the lever 29 normally assumes the position illustrated in Fig. 1 thus holding the lever 21 and its associated parts inpull exerted uponthe cables underjsuoh conditions results in the application of the cluding the relatively'movable members 17 .y to its inactive position. IVhen itis desired to apply the'brakes, the-lever 29 is releasedV from the rackl by the driver and upon re'-y lease of the lever 29 the spring 27 functionates to throw the lever 21 Von its pivot in a direction ofthe axle 13, thus imparting y movement to the members 17, sliding the latter into operative association with the fixed members 17. The members 17, then .rotate with the members 17 and as a consequence, vthe cables 33 are wound `within the grooves 32, exerting a pull uponV the brake beam 14 and applying the brake. The 1 brakes may be released and Vthe Vparts re-V turned to normal position by a reverse movement of the lever 29.l

If desired, the rodl 29 may be extended `from the brake beam toa convenient part ofV the harness and under normal conditions while the animal is pulling, the brakes are Vmembers slidably mounted upon the axle of Y y the said '.wheels, means normally holding said clutch members separated, means for automatically associating 'saidA members upon release'of theV first mentioned means,

y 1,342,9.s1l

a flexible connectionqbetween said sliding clutch members and the brakes and said flexible connection being adapted to be wound within the grooves to automatically apply the brakes when said clutch membersV are operatively associated. y v

2. A wagon lbrake comprising' clutch members fixed to the wheelsof the wagonY for rotation therewith, cooperating clutch members slidably mounted upon the axle of said wheel, a lever pivoted at one end, a connection between the lever andthe sliding clutch members whereby movement of said clutch members is controlled by said lever', a hand operating lever, a connection be'- tween'the latter mentioned lever and the clutch controlling lever, whereby the latter mentioned lever is normally maintained in position to hold the clutchgmembers sepasaid sliding clutch members having grooves,

rated, yieldable means operable to automatically move the lever to an active position ,and to throw the clutchmembers into operative association, and a connection between the sliding clutch membersiand the brakes, whereby thev latter are effectively applied when said clutch membersare operatively associated.

lIn testimony whereof I affix my signature. .t t Y,

.EDWARD B. HARRIS.` 

